1630752625 has 32 divisors (see below), whose sum is σ = 2191587840. Its totient is φ = 1206956800.

The previous prime is 1630752619. The next prime is 1630752631. The reversal of 1630752625 is 5262570361.

It is an interprime number because it is at equal distance from previous prime (1630752619) and next prime (1630752631).

It is not a de Polignac number, because 1630752625 - 2⁵ = 1630752593 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 118872 + ... + 131878.

It is an arithmetic number, because the mean of its divisors is an integer number (68487120).

Almost surely, 2^1630752625 is an apocalyptic number.

It is an amenable number.

1630752625 is a deficient number, since it is larger than the sum of its proper divisors (560835215).

1630752625 is a wasteful number, since it uses less digits than its factorization.

1630752625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13098 (or 13088 counting only the distinct ones).

The product of its (nonzero) digits is 75600, while the sum is 37.

The square root of 1630752625 is about 40382.5782361652. The cubic root of 1630752625 is about 1177.0530276132.

The spelling of 1630752625 in words is "one billion, six hundred thirty million, seven hundred fifty-two thousand, six hundred twenty-five".